Welcome to our dedicated page for Western Digital SEC filings (Ticker: WDC), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Western Digital filings document material events for an operating storage company whose common stock trades on the Nasdaq Global Select Market under WDC. Recent 8-K disclosures record quarterly operating and financial results, dividend and capital-structure matters, shareholder voting and governance items, and material agreements.
The filing record also describes security-structure changes, including the mandatory conversion of Series A Convertible Perpetual Preferred Stock into common stock, the Certificate of Elimination for that preferred series, and redemptions or discharge of senior-note obligations. These documents frame WD's public-company reporting around results, debt and equity instruments, governance, and corporate actions following the completed Flash business separation.
Western Digital Corporation has appointed veteran technology executive Manuvir Das to its board of directors, effective May 26, 2026. He will serve until the next annual stockholder meeting and has also been named to the board’s Audit Committee.
Das brings senior leadership experience from NVIDIA, Dell EMC, and Microsoft, with deep expertise in enterprise AI, data infrastructure, and cloud computing. He currently serves as an Operating Partner in the Digital Infrastructure group at Stonepeak Partners LP. With his addition, Western Digital’s board now has nine directors, eight of whom are external and independent.
Western Digital’s Chief Legal Officer and Corporate Secretary, Cynthia L. Tregillis, reported recent equity transactions in the company’s common stock. She sold a total of 522 shares in open-market transactions at prices of $488.61 and $539.63 per share, under a pre-arranged Rule 10b5-1 trading plan adopted on May 23, 2025. She also had 771 shares withheld to cover tax obligations related to vesting equity awards. In connection with vesting, she exercised dividend equivalent rights into 7.3619 derivative rights and 7 common shares. After these transactions, she directly holds 117,157 shares of Western Digital common stock.
Western Digital Corp Chief Executive Officer Irving Tan reported routine equity compensation activity involving company stock. On May 25, 2026, 479 shares of common stock were disposed of at $484.28 per share to pay tax obligations tied to vesting securities, a non-market transaction under Rule 16b-3(e). The filing also shows the conversion of 30.3301 Dividend Equivalent Rights into the same number of common shares in connection with vesting restricted stock units, plus a small cash payment for a fractional right. Following these transactions, Tan directly held 597,483 shares of common stock, indicating the events primarily reflect compensation vesting and tax withholding rather than open-market trading.
Western Digital’s Chief of Global Operations, Vidyadhara K. Gubbi, reported routine equity compensation-related transactions. On common stock, 1,143 shares were disposed of to cover tax obligations, while 8 shares were acquired through exercising derivative-based rights. Separately, 8.6663 dividend equivalent rights were converted into the same number of common shares, with a small cash payment for a fractional right. Following these events, Gubbi continues to hold a substantial direct common stock position, and no open-market purchases or sales were reported.
Western Digital Corp Chief Sales & Marketing Officer Brian Scott Davis reported routine equity compensation activity involving common stock and related rights. On May 25, 2026, 971 shares of common stock were disposed of at $484.28 per share to satisfy tax obligations upon vesting, leaving 103,300 common shares directly owned after that withholding event.
On the same date, Davis also exercised dividend equivalent rights that converted into 7.3619 shares of common stock on a one-for-one basis tied to vested restricted stock units, with remaining dividend equivalent rights of 192.8438. After the common stock acquisition from these conversions, direct ownership increased to 104,271 common shares. No open-market purchases or sales were reported; the activity reflects vesting, derivative conversion, and tax withholding.
Company: WDC Rule 144 notice reporting intended and recent restricted‑stock dispositions by Cynthia Lock Tregillis.
The filing lists 214 restricted shares identified for sale on 05/25/2026, and shows recent past sales: 9,324 shares on 03/04/2026, 363 shares on 04/21/2026, 106 shares on 05/21/2026, and 308 shares on 05/22/2026. Dollar figures are shown alongside each sale in the excerpt.
WESTERN DIGITAL CORP Chief Legal Officer Cynthia L. Tregillis reported a small mix of stock transactions. She sold 106 shares of common stock in an open-market sale at $458.87 per share, executed under a pre-arranged Rule 10b5-1 trading plan.
On the same dates, shares were also withheld to cover tax obligations tied to vesting, totaling 1,487 shares treated as F-code tax-withholding dispositions, not open-market sales. She additionally acquired a small number of shares through exercises of dividend equivalent rights. After these transactions, she directly holds 118,443 shares of Western Digital common stock, indicating the sale represents a very small portion of her overall position.
Western Digital CEO Irving Tan reported routine equity award activity involving a small number of shares. On May 20 and 21, 2026, Tan exercised dividend equivalent rights tied to vested restricted stock units, receiving modest amounts of common stock. In connection with these vestings, the company withheld a total of 732 shares of common stock to cover tax obligations, as permitted under Rule 16b-3(e). After these transactions, Tan directly holds roughly 598,000 shares of Western Digital common stock, indicating these moves were minor relative to his overall position.
WESTERN DIGITAL CORP Chief Financial Officer Kris Sennesael reported equity compensation-related transactions involving company stock. On May 20, 2026, he exercised awards linked to Dividend Equivalent Rights, converting 141.6534 rights into an equal number of common shares. In connection with vesting, the company withheld 18,374 common shares at $459.62 per share to satisfy tax obligations under Rule 16b-3(e). After these transactions, Sennesael directly held 169,733 shares of Western Digital common stock, indicating a routine adjustment from compensation vesting rather than an open-market trade.
Western Digital Corp executive Gubbi Vidyadhara K, Chief of Global Operations, reported routine equity compensation activity involving stock vesting and tax withholding. On May 20 and 21, 2026, dividend equivalent rights tied to restricted stock units converted into a total of about 9.76 shares of common stock in two steps.
To cover tax obligations on these vestings, the company withheld 593 shares on May 20 at $459.62 per share and 693 shares on May 21 at $486.46 per share, coded as F transactions. These are not open‑market sales but share-withholding for taxes under Rule 16b-3(e).
After the transactions, Vidyadhara directly held 88,764 shares of Western Digital common stock. No open‑market purchases or sales were reported; the filing reflects compensation-related vesting, derivative conversion, and associated tax withholding.